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7612159 |
Process for working up polyethersiloxanes
The invention relates to a process for working up polyethersiloxanes, wherein said polyethersiloxanes are treated with H 2 O 2 and are separated from volatile components by separation methods...
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7446132 |
Zeolite additive for rubber and plastic
Composition comprising a rubber or plastic material and a zeolite. The composition may be foamed or not. The composition may absorb water or other chemicals, and has characteristics making it...
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7390867 |
Isocyanate adducts
The invention relates to isocyanate adducts which can be prepared by reacting at least one polyisocyanate with compounds having at least two hydrogen atoms which are reactive toward isocyanate...
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7173068 |
Thermoplastic foam and method for production thereof
A thermoplastic foam is provided which contains a thermoplastic resin and a layered silicate and in which foam cells and the layered silicate are evenly and finely dispersed. A volume-expansible...
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7071241 |
Process for producing porous object
The present invention provides a process for producing porous structure having similar properties to that of the porous structure produced with conventional urethane resin solution in organic...
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6967223 |
Fiber-free shaped parts
A fiber-free molding composition containing: (a) a binder selected from the group consisting of an epoxide, a polyisocyanate, a furane-resin-free phenolic resin, and mixtures thereof; and (b) a...
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6881764 |
Polyurethane composition with glass cullet filler and method of making same
There is disclosed a polyurethane composition with a glass cullet filler. The composition comprises at least one polyol, an isocyanate, a catalyst and glass cullet. The glass cullet has an average...
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6818674 |
Elastic member and image formation equipment
There are disclosed an elastic member which comprises (A) polyurethane foam obtained by agitationally mixing a foaming agent, a foam stabiizer and a urethane prepolymer synthesized from a polyol...
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6806298 |
Sprayable composition and method for forming a foamed outdoor protective cover layer
A sprayable composition and a method of protecting material with the composition is disclosed. The composition comprises a bulking/setting material, a water soluble polymer and water to provide a...
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6787580 |
Water-free preparation process for multimodal thermoplastic polymer foam and foam therefrom
Prepare a multimodal thermoplastic polymer foam having a distribution of large and small cells in a substantial absence of water by using a blowing agent stabilizer. Multimodal foams of the present...
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6653361 |
Flame retardant polyurethane composition and method of manufacture thereof
A polyurethane foam or elastomer comprises an organic polyisocyanate component, an active hydrogen-containing component reactive with the polyisocyanate component, wherein the viscosity of this...
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6589444 |
Process for separating water from chemical mixtures
The present invention relates to novel compositions of drying agents of superabsorbent polymers, molecular sieves and mixtures thereof and binders of polyurethane foam, polyisocyanurate foam and...
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6518324 |
Polymer foam containing nanoclay
Polymer foams containing nanoclay are provided, the foams having improved properties such as thermal insulation values.
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6506810 |
Use of mixtures of organofunctionally modified polysiloxanes with branched alcohols in the production of flexible polyurethane foams
The invention relates to the use of mixtures of organofunctionally modified polysiloxanes with branched alcohols in the production of flexible polyurethane foams.
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6458861 |
Carbon dioxide blown low density, flexible microcellular elastomers suitable for preparing shoe components
Microcellular polyurethane flexible foams suitable for use as lightweight shoe sole components are produced by dissolving carbon dioxide into one or both of the iso-side or resin-side of an...
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6451866 |
Spongy rubber body
Disclosed is a spongy rubber body or, in particular, spongy silicone rubber body useful for forming the semiconductive rubber layer of a rubber roller in photocopying machines and the like as well...
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6346558 |
Alkylene oxide modified silicone glycol compatibilizing agents for stable polyester polyol compositions
A polyester polyol composition comprising a phthalic anhydride-initiated polyester polyol, a C 4 -C 6 hydrocarbon blowing agent, and an alkylene oxide modified silicone glycol compatibilizing...
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6271271 |
Method for obtaining foamed organosilicon compositions
Method for obtaining the foamed organosilicon compositions, involving mixing of organosiloxane rubber (OR), organosilicon joining agent (JA) and modifier (M). Agents acting like (OR) are...
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6258866 |
Blowing agent compatabilization
Provided herein are subcombinations from which polyurethane foams and polyurethane foams containing polyisocyanurates may be prepared. The subcombinations are unique in that they contain components...
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6169124 |
Inner parting agents for producing self-parting moldings made of polyisocyanate polyaddition products
In a process for producing self-releasing, compact or cellular moldings which comprise polyisocyanate polyaddition products and may contain reinforcing material by reacting a) organic and/or...
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6080800 |
Aqueous wax dispersions as cell openers in making polyurethane flexible foams
A method for preparing a flexible or semi-flexible polyurethane foam by reacting an organic polyisocyanate with a polyol in the presence of urethane catalyst, water as a blowing agent, optionally a...
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6048909 |
Foams having increased heat distortion temperature made from blends of alkenyl aromatic polymers and alpha-olefin/vinyl or vinylidene aromatic and/or sterically hindered aliphatic or cycloaliphatic vinyl or vinylidene interpolymers
The present invention pertains to improved alkenyl aromatic polymer foams (and processes for their preparation) having increased heat distortion temperature and improved dimensional stability while...
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6020387 |
Low density polymers and methods of making and using same
A low density polymer composition including a polymer component capable of being cured, a low density filler in an amount sufficient to reduce the density of the polymer and a thixotrope present in...
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5990187 |
Method of preparing polyurethane foam utilizing organofunctionally modified polysiloxanes
The invention relates to the use of polysiloxane-polyoxyalkylene copolymers of the general formula I ##STR1## as additives in the production of polyurethane foams.
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5886060 |
Method for obtaining foamed organosilicon composition
Method for obtaining the foamed organosilicon compositions, involving mixing of organosiloxane rubber (OR), organosilicon joining (JA) and modifier (M). Agents acting like (OR) are represented by...
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5880165 |
Modified rebond polyurethane foam structure and method of making such structure
Modified or filled rebond polyurethane foam structures having desired plushness and compression without adversely affected tensile strength at a given density as compared to unfilled rebond...
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5847017 |
Blowing agent
The present invention relates to a composition for use as a blowing agent in injection molding processes. More specifically, the present invention is a blowing agent composition comprising a...
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5844011 |
Composition and method for selectively absorbing liquid hydrocarbon from a floor or other hard surface
Method and composition for selectively removing liquid hydrocarbon from floors and other hard surfaces comprising granular polyisocyanurate foam. The composition desirably includes a particulate...
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5837742 |
Method of making a polyurethane foam having improved flame retardance and aged k-factors
There is now provided a method for making a polyisocyanate based rigid closed cell foam by reacting an organic isocyanate and a polyol composition containing a polyol having polyester linkages and...
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5798009 |
Foamed rubber compositions for tires and pneumatic tire using the same
A foamed rubber composition for tire comprises a particular amount of particles having specified hardness and average particle size and containing aluminum-bonded hydroxy group and/or...
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5792801 |
Thermal insulation foamed material having carbon dioxide absorbents and method for manufacturing same
A thermal insulating foamed material is a polyurethane foam having closed cells, and produced by mixing, agitating and foaming a polyol, a polyisocyanate, a foam stabilizer, a catalyst, a blowing...
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5779775 |
Stock solution composition for use in production of hard polyurethane foam
The object of the present invention is to provide a stock solution composition for use in production of hard polyurethane foam, which composition can disperse the flame retardant filler component...
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5744507 |
Foamable organosiloxane compositions curable to silicone foams having improved adhesion
A foamable, curable organosiloxane composition comprising an alkenyl-functional polyorganosiloxane, an organohydrogensiloxane, a blowing agent, a platinum catalyst and an adhesion promoter...
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5726211 |
Process for making a foamed elastometric polymer
The present invention relates to a process for forming a foamed elastomeric polymer. The process involves forming a reverse emulsion of liquid droplets in a continuous liquid phase of polymer...
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5710189 |
Blowing agent composition and a method for making a blowing agent
The present invention relates to a composition for use as a blowing agent in injection molding processes. More specifically, the present invention is a blowing agent composition comprising a...
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5688860 |
Polyurethane/polyurea elastomers
Polyurethane/urea elastomers having an isocyanate equivalent index below 100, preferably from about 15 to about 80; containing an effective amount of polyisocyanate component, and an effective...
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5681867 |
Low-density RRIM having improved coefficient of linear thermal expansion and heat deflection properties
The invention pertains to a low weight, low density rigid polyurethane-polyurea reinforced reaction injection molded (RRIM) part having flaked glass reinforcing fibers dispersed throughout a matrix...
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5674918 |
Polyisocyanate based polymers prepare from formulations including non-silicone surfactants and method for the preparation thereof
Polyurethane, polyisocyanurate and polyurea polymers, particularly foamed polymers can be prepared from formulations including non-silicone polyether surfactants. The non-silicone polyether...
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5668187 |
Process for the preparation of rigid polyurethane foam
In a process for the preparation of rigid polyurethane foam from a polyol and a polyisocyanate, it is possible to prepare rigid polyurethane foam by using an aqueous polymer emulsion comprising a...
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5648421 |
Isocyanate/polyol casting resin
A composition useful as a casting resin is provided. The composition comprises a polyol, a polyisocyanate, a catalyst, and a suspension aid, and said catalyst and said suspension aid are present in...
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5622999 |
Polysilicic acid/polyisocyanate basic materials, binding materials and foams and process for preparing same
The invention relates to novel polysilicic acid/polyisocyanate basic materials, binding materials and foams with improved mechanical properties as well as a higher resistance against heat and...
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5622777 |
Heat-resistant reinforced foam
This invention relates to a process for preparing a heat-resistant reinforced polyurethane/polyurea foam by (A) preparing, at an isocyanate index of about 100 to about 115, a foamable reaction...
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5612386 |
Blowing agent for thermoplastic and thermoset polymers
Improved blowing agents for thermoplastic and thermoset polymers are disclosed which contain silicate based compounds containing from about 5 to about 40% water and which expand or intumesce when...
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5605721 |
Shock absorbing underlayment for artificial playing surfaces
The present invention is directed to an underlayment composition for an artificial playing surface comprised of a butadiene rubber, such as polybutadiene or styrene-butadiene that is commercially...
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5604266 |
Cured unsaturated polyest-polyurethane highly filled resin materials and process for preparing them
The present invention is directed to a rigid or semirigid, filled resin material having a continuous phase which is a matrix containing a complex crosslinked network having an unsaturated...
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5599851 |
Superfine microelemental biochemical mixture and foamed plastic products thereof
This invention relates to a kind of superfine microelemental biochemical mixture and its foamed plastic products. The mixture contains titanium oxide, zirconia, silica, yttrium oxide, cerium oxide,...
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5574073 |
Curable silicone compositions which are foams or elastomers
What is disclosed herein relates to curable silicone compositions which provide high strength foams or elastomers. These foams or elastomers have high strength properties which are provided by a...
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RE35368 |
Endothermic blowing agents for surface migration of components in foamed products, compositions and applications
Compositions for producing foamed products which include additives and blowing agents which cause the surface treatment additives to migrate to the surfaces of foamed products. The products...
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5514722 |
Shock absorbingg underlayment for artificial playing surfaces
The present invention is directed to an underlayment composition for an artificial playing surface comprised of a butadiene rubber, such as polybutadiene or styrene-butadiene that is commercially...
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5508315 |
Cured unsaturated polyester-polyurethane hybrid highly filled resin foams
The present invention is directed to a rigid, lightweight filled resin foam having voids dispersed in a continuous phase which is formed from a polyester hybrid resin having reinforcing particles...
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